"When we released the game, we promised people that for $2.99 (£1.79) they would get Ridiculous Fishing without any further in-app purchases or anything," he told Digital Spy at PC and indie games expo Rezzed.

"We're going to keep our word, but we want to emphasise that point that we were really serious about that.

"The plan we have now, if we pull it off the way we want to, we're going to double the content and add a completely new narrative arc, and explore that world a bit further."

He added: "As well as double the amount of content in Ridiculous Fishing, we want to do it with the same level of quality and care as with the original game."

In the meantime, Vlambeer has just submitted the first update to Apple, which is scheduled for release in July.

The title update will add several new fish, items including a knife that can cut the line to quickly end a run, and tweaks such as enabling audio playback while playing.

Ismail also teased that it will hide fish using Game Center in ways "nobody has tried" before.

"For this update, the fish we have added are special in that you don't know where they are," he said.

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"Those fish are actually one of the ways to compete on Game Center, so they're dependent on Game Center stuff.

"It's going to be fun seeing when people figure that out, and see what they do with that. I'm excited to see what happens - it's one of those things where you don't know. Nobody has tried what we're doing before, I think. We'll see."

He added: "It's a minor update, but it's definitely going to give people some time to play more Ridiculous Fishing."

Ismail also discussed the success of the game when it launched on iOS devices earlier this year.

"We know we can reach a certain amount of people. We know our fans, and our fans our amazing," he explained.

"Then what happened, that bubble just exploded. Elijah Wood played Ridiculous Fishing and tweeted about it. That's mind-blowing. That's not something that happens.

"We didn't expect it to be this big - we hoped it would be this size. We really hoped this would be the definitive statement about creativity will always win, because obviously the whole cloning background is still there for us, right?

"We still want to make this statement that Ninja Fishing did well, but Ridiculous Fishing wins because it was the better game.

"Better games win. That's what we hoped people would get out of it, and I think they did.

"Seeing how far the game went and winning the Apple design award a week ago is... I spent a lot of those days staring at my screen in complete silence, being overwhelmed by everything that was happening.

"I think everybody on the team did, because we put a lot of hardships into Ridiculous Fishing. To see it pay off like that is quite something."

Vlambeer will also release airplane combat game Luftrausers on PC, PS3 and Vita later this year.